| 2026 |
| 09/10 | (IR情報)11:30 東京証券取引所スタンダード市場への市場区分変更に関するお知らせ |
| 09/09 | 267 | 278 | 261 | 278 | +2.21% | 77,600 | 29億9489万 | +10.76% |
| 09/08 | 281 | 302 | 272 | 272 | -0.73% | 523,500 | 29億3025万 | +8.8% |
| 09/07 | 280 | 298 | 274 | 274 | -9.57% | 273,400 | 29億5180万 | +10.04% |
| 09/04 | (IR情報)15:30 10億人が利用するChatGPTの対話型AIプラットフォームを活用した「ChatGPT広告」運用支援サービス提供開始に関するお知らせ |
| 09/04 | 260 | 310 | 260 | 303 | +19.76% | 2,159,100 | 32億6421万 | +22.18% |
| 09/03 | (IR情報)17:30 東京証券取引所スタンダード市場への上場市場区分変更承認及び当社株式の監理銘柄(審査中)指定解除に関するお知らせ |
| 09/03 | 255 | 255 | 250 | 253 | -0.78% | 9,400 | 27億2556万 | +3.27% |
| 09/02 | 258 | 259 | 255 | 255 | -0.78% | 14,000 | 27億4711万 | +4.08% |
| 09/01 | 249 | 259 | 248 | 257 | +3.63% | 21,200 | 27億6866万 | +5.33% |
| 08/31 | (IR情報)15:30 事業計画及び成長可能性に関する事項 |
| 08/31 | 246 | 250 | 245 | 248 | +0.81% | 21,600 | 26億7170万 | +1.64% |
| 08/28 | (IR情報)15:30 日本医療支援株式会社との資本業務提携及び第三者割当による自己株式処分に関するお知らせ |
| 08/28 | 244 | 246 | 243 | 246 | +0.41% | 11,300 | 26億5015万 | +0.82% |
| 08/27 | 242 | 245 | 242 | 245 | +0.41% | 14,700 | 26億3938万 | +0.82% |
| 08/26 | (IR情報)15:30 財務報告に係る内部統制の開示すべき重要な不備の解消に関するお知らせ |
| 08/26 | 243 | 245 | 243 | 244 | 0% | 5,200 | 26億2861万 | +0.41% |
| 08/25 | 243 | 245 | 242 | 244 | +0.41% | 4,500 | 26億2861万 | +0.41% |
| 08/24 | 242 | 243 | 241 | 243 | +0.41% | 12,000 | 26億1783万 | 0% |
| 08/21 | 242 | 244 | 242 | 242 | -0.41% | 6,200 | 26億706万 | -0.82% |
| 08/20 | 244 | 244 | 243 | 243 | 0% | 4,300 | 26億1783万 | -0.41% |
| 08/19 | 243 | 244 | 242 | 243 | 0% | 6,300 | 26億1783万 | -0.82% |
| 08/18 | 244 | 245 | 243 | 243 | -0.41% | 5,500 | 26億1783万 | -0.82% |
| 08/17 | 243 | 246 | 243 | 244 | +0.41% | 11,100 | 26億2861万 | -0.81% |
| 08/14 | 244 | 244 | 242 | 243 | -0.41% | 12,100 | 26億1783万 | -1.22% |
| 08/13 | 244 | 247 | 244 | 244 | 0% | 12,800 | 26億2861万 | -0.81% |
| 08/12 | 244 | 247 | 243 | 244 | 0% | 22,600 | 26億2861万 | -1.21% |
| 08/10 | 243 | 244 | 241 | 244 | +0.41% | 14,600 | 26億2861万 | -1.21% |
| 08/07 | 243 | 244 | 243 | 243 | -0.41% | 5,800 | 26億1783万 | -1.22% |
| 08/06 | 242 | 246 | 242 | 244 | 0% | 8,700 | 26億2861万 | -0.81% |
| 08/05 | 243 | 245 | 243 | 244 | +0.41% | 5,500 | 26億2861万 | -0.81% |
| 08/04 | 243 | 245 | 242 | 243 | 0% | 2,800 | 26億1783万 | -1.22% |
| 08/03 | 242 | 244 | 242 | 243 | -1.22% | 8,900 | 26億1783万 | -0.82% |
| 07/31 | 245 | 246 | 243 | 246 | +0.82% | 16,200 | 26億5015万 | +0.41% |
| 07/30 | 242 | 245 | 242 | 244 | +0.83% | 10,600 | 26億2861万 | 0% |
| 07/29 | 243 | 244 | 242 | 242 | -0.41% | 14,300 | 26億706万 | -0.82% |
| 07/28 | 243 | 245 | 243 | 243 | 0% | 5,500 | 26億1783万 | 0% |
| 07/27 | 243 | 245 | 242 | 243 | +0.41% | 6,700 | 26億1783万 | 0% |
| 07/24 | 245 | 245 | 241 | 242 | +0.41% | 23,400 | 26億706万 | 0% |
| 07/23 | 247 | 247 | 240 | 241 | -0.82% | 4,300 | 25億9629万 | -0.41% |
| 07/22 | 242 | 246 | 241 | 243 | +0.83% | 21,400 | 26億1783万 | +0.83% |
| 07/21 | 245 | 246 | 241 | 241 | -2.03% | 19,400 | 25億9629万 | 0% |
| 07/17 | 254 | 254 | 245 | 246 | -3.15% | 22,900 | 26億5015万 | +2.5% |
| 07/16 | 256 | 257 | 252 | 254 | -3.05% | 29,800 | 27億3634万 | +5.83% |
| 07/15 | (IR情報)15:30 2026年5月期決算説明資料 |
| 07/15 | (IR情報)15:30 2026年5月期の連結業績予想値と実績値との差異及び個別業績の前期実績値との差異、並びに営業外収益(為替差益)の計上に関するお知らせ |
| 07/15 | (IR情報)15:30 2026年5月期決算短信〔日本基準〕(連結) |
| 07/15 | 255 | 262 | 255 | 262 | +3.15% | 28,900 | 28億2252万 | +9.62% |
| 07/14 | 252 | 254 | 251 | 254 | +0.79% | 11,400 | 27億3634万 | +6.72% |
| 07/13 | 253 | 255 | 252 | 252 | +0.4% | 13,000 | 27億1479万 | +6.33% |
| 07/10 | 255 | 258 | 251 | 251 | -1.18% | 13,200 | 27億402万 | +5.91% |
| 07/09 | 257 | 260 | 250 | 254 | -0.39% | 15,400 | 27億3634万 | +7.17% |
| 07/08 | 249 | 255 | 249 | 255 | +3.24% | 23,000 | 27億4711万 | +8.05% |
| 07/07 | 245 | 250 | 245 | 247 | +1.23% | 11,500 | 26億6093万 | +4.66% |
| 07/06 | 240 | 248 | 240 | 244 | +1.67% | 19,300 | 26億2861万 | +3.39% |
| 07/03 | 236 | 245 | 236 | 240 | +0.42% | 31,400 | 25億8552万 | +1.27% |
| 07/02 | 236 | 241 | 236 | 239 | +1.7% | 15,900 | 25億7474万 | +0.42% |
| 07/01 | 236 | 238 | 235 | 235 | -0.42% | 8,900 | 25億3165万 | -1.67% |
| 06/30 | 237 | 238 | 235 | 236 | 0% | 5,800 | 25億4242万 | -2.07% |
| 06/29 | 230 | 236 | 230 | 236 | +2.61% | 11,700 | 25億4242万 | -2.88% |
| 06/26 | 232 | 233 | 229 | 230 | -1.29% | 10,500 | 24億7779万 | -6.12% |
| 06/25 | 227 | 235 | 227 | 233 | +2.19% | 28,400 | 25億1010万 | -5.67% |
| 06/24 | 229 | 229 | 225 | 228 | -0.44% | 13,000 | 24億5624万 | -8.43% |
| 06/23 | 229 | 230 | 227 | 229 | 0% | 24,800 | 24億6701万 | -9.13% |
| 06/22 | 230 | 234 | 229 | 229 | -0.87% | 14,400 | 24億6701万 | -10.2% |
| 06/19 | 233 | 235 | 230 | 231 | 0% | 15,100 | 24億8856万 | -10.12% |
| 06/18 | 233 | 234 | 228 | 231 | -0.43% | 19,800 | 24億8856万 | -11.15% |
| 06/17 | 229 | 233 | 229 | 232 | +0.87% | 13,900 | 24億9933万 | -11.79% |
| 06/16 | 230 | 232 | 230 | 230 | -0.43% | 10,900 | 24億7779万 | -13.53% |
| 06/15 | 234 | 235 | 228 | 231 | -1.28% | 29,900 | 24億8856万 | -13.81% |
| 06/12 | 233 | 236 | 233 | 234 | +0.43% | 11,100 | 25億2088万 | -13.65% |
| 06/11 | 233 | 234 | 231 | 233 | -0.43% | 15,000 | 25億1010万 | -14.96% |
| 06/10 | 237 | 237 | 233 | 234 | -2.09% | 22,300 | 25億2088万 | -15.52% |
| 06/09 | 240 | 241 | 237 | 239 | -0.42% | 14,000 | 25億7474万 | -14.64% |
| 06/08 | 240 | 242 | 238 | 240 | -1.23% | 20,000 | 25億8552万 | -14.89% |
| 06/05 | 240 | 245 | 236 | 243 | 0% | 26,700 | 26億1783万 | -14.74% |
| 06/04 | 228 | 243 | 228 | 243 | +0.83% | 85,600 | 26億1783万 | -15.33% |
| 06/03 | 257 | 259 | 231 | 241 | -7.31% | 186,200 | 25億9629万 | -16.9% |
| 06/02 | 269 | 269 | 255 | 260 | -3.35% | 42,900 | 28億98万 | -10.96% |
| 06/01 | (IR情報)15:30 取締役の辞任に関するお知らせ |
| 06/01 | 275 | 277 | 265 | 269 | +1.51% | 29,900 | 28億9793万 | -8.5% |
| 05/29 | (IR情報)18:30 東京証券取引所スタンダード市場への市場区分変更申請に関するお知らせ |
| 05/29 | (IR情報)18:30 当社株式の監理銘柄(審査中)指定に関するお知らせ |
| 05/29 | 263 | 270 | 259 | 265 | 0% | 76,400 | 28億5484万 | -10.17% |
| 05/28 | 282 | 282 | 265 | 265 | -6.36% | 407,800 | 28億5484万 | -10.77% |
| 05/27 | 293 | 293 | 275 | 283 | -3.08% | 101,400 | 30億4875万 | -5.03% |
| 05/26 | 290 | 292 | 287 | 292 | +1.74% | 19,100 | 31億4571万 | -2.34% |
| 05/25 | 288 | 290 | 284 | 287 | +0.7% | 26,200 | 30億9185万 | -4.01% |
| 05/22 | 284 | 286 | 281 | 285 | +1.79% | 49,600 | 30億7030万 | -5% |
| 05/21 | 293 | 295 | 275 | 280 | -4.44% | 102,800 | 30億1644万 | -6.98% |
| 05/20 | 298 | 300 | 288 | 293 | -2.01% | 47,500 | 31億5648万 | -2.98% |
| 05/19 | 296 | 300 | 296 | 299 | +1.01% | 11,300 | 32億2112万 | -1.32% |
| 05/18 | 300 | 301 | 295 | 296 | -1.33% | 37,700 | 31億8880万 | -2.31% |
| 05/15 | 304 | 305 | 296 | 300 | +0.33% | 50,700 | 32億3190万 | -0.99% |
| 05/14 | 304 | 304 | 298 | 299 | +0.34% | 19,600 | 32億2112万 | -1.32% |
| 05/13 | 301 | 302 | 297 | 298 | -0.67% | 22,300 | 32億1035万 | -1.97% |
| 05/12 | 304 | 305 | 298 | 300 | -1.32% | 39,700 | 32億3190万 | -1.32% |
| 05/11 | 305 | 306 | 304 | 304 | 0% | 7,300 | 32億7499万 | 0% |
| 05/08 | 307 | 307 | 304 | 304 | -0.33% | 10,900 | 32億7499万 | +0.33% |
| 05/07 | 307 | 308 | 302 | 305 | 0% | 29,000 | 32億8576万 | +0.66% |
| 05/01 | 303 | 305 | 303 | 305 | +0.66% | 6,800 | 32億8576万 | +0.66% |
| 04/30 | 309 | 309 | 303 | 303 | -0.66% | 13,400 | 32億6421万 | 0% |
| 04/28 | 305 | 307 | 303 | 305 | +0.33% | 15,800 | 32億8576万 | +0.99% |
| 04/27 | 301 | 305 | 301 | 304 | +0.66% | 12,000 | 32億7499万 | +0.66% |
| 04/24 | 303 | 304 | 302 | 302 | 0% | 10,600 | 32億5344万 | 0% |
| 04/23 | 304 | 304 | 300 | 302 | +0.33% | 11,400 | 32億5344万 | +0.33% |
| 04/22 | 302 | 304 | 301 | 301 | 0% | 6,900 | 32億4267万 | 0% |
| 04/21 | 303 | 305 | 301 | 301 | -0.33% | 14,000 | 32億4267万 | 0% |
| 04/20 | 303 | 305 | 302 | 302 | +0.33% | 8,700 | 32億5344万 | +0.33% |
| 04/17 | 306 | 306 | 300 | 301 | -1.63% | 13,900 | 32億4267万 | 0% |
| 04/16 | 302 | 306 | 301 | 306 | +0.33% | 22,800 | 32億9653万 | +2% |
| 04/15 | 302 | 305 | 295 | 305 | -1.61% | 72,000 | 32億8576万 | +1.67% |
| 04/14 | (IR情報)15:30 株主優待制度の変更に関するお知らせ |
| 04/14 | (IR情報)15:30 2026年5月期第3四半期決算説明資料 |
| 04/14 | (IR情報)15:30 営業外収益(為替差益)の計上に関するお知らせ |
| 04/14 | (IR情報)15:30 2026年5月期第3四半期決算短信〔日本基準〕(連結) |
| 04/14 | (IR情報)15:30 APEC クアラルンプール原則への対応について |